April 5, 2004 [SolarAccess.com] SMA America announced UL1741 listing for the Sunny Central 125 kW Utility Interactive Inverter. The SC125U is the latest addition to the SMA family of renewable energy products. It is the culmination of many years of experience with the SMA Sunny Boy and European Sunny Central photovoltaic inverters. This design incorporates MPP tracker found in more than 200,000 fielded Sunny Boy inverters. SMA said the power stage and magnetics of the unit make the SC125U the most efficient large inverter on the market. The AC isolation transformer is incorporated within the inverter cabinet and is disconnected whenever the inverter is not producing power.